How to develop for iPhone OS 2.2.1 with the latest iPhone SDK 3.2.2? [closed]

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Is this possible to develop for iPhone OS 2.2.1 with the latest iPhone SDK 3.2.2? How?

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iPhone SDK 3.2.2 is under NDA. You should ask this question on http://devforums.apple.com.

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I don't believe it is anymore unless you can find the actual 2.2.1 sdk to download somewhere. If you can, then yes. But, as far as Apple is concerned, they really only want 3.0+ apps on the App Store.